* cython/py_imc_termite.pyx: json loads take care of floats, fix column assignment

* imc_channel.hpp: fix floating precision for get_channel()
* extend/include advanced usage in examples

python/usage.py

@@ -25,4 +25,4 @@ print(len(chnxdata))
 imcraw.print_channels(b"./")
 
 # print all channels in single file
-# imcraw.print_table(b"./allchannels.csv")
+imcraw.print_table(b"./allchannels.csv")

python/usage_adv.py

@@ -2,6 +2,7 @@
 import imc_termite
 import json
 import glob
+import os
 from pathlib import Path
 
 # list files in sample directory
@@ -12,29 +13,20 @@ print(rawlist1)
 
 for fl in rawlist1:
 
-    print("converting " + str(fl))
+    print("converting " + str(fl) + " : " + str(os.path.basename(fl)) )
 
     # declare and initialize instance of "imctermite" by passing a raw-file
     try :
         imcraw = imc_termite.imctermite(fl.encode())
     except RuntimeError as e :
-        print("failed to load/parse raw-file: " + str(e))
+        raise Exception("failed to load/parse raw-file: " + str(e))
 
     # obtain list of channels as list of dictionaries (without data)
     channels = imcraw.get_channels(False)
     print(json.dumps(channels,indent=4, sort_keys=False))
 
-# # obtain data of first channel (with data)
-# channelsdata = imcraw.get_channels(True)
-# if len(channelsdata) > 0 :
-#     chnydata = channelsdata[0]['ydata']
-#     chnxdata = channelsdata[0]['xdata']
-#
-# print(len(chnydata))
-# print(len(chnxdata))
-#
-# # print the channels into a specific directory
-# imcraw.print_channels(b"./")
+    # print the channels into a specific directory
+    imcraw.print_channels(b"./")
 
-# print all channels in single file
-# imcraw.print_table(b"./allchannels.csv")
+    # print all channels in single file
+    imcraw.print_table(("./"+str(os.path.basename(fl).split('.')[0])+"_allchannels.csv").encode())